Electricians' operating and testing manual; (1910)
Horstmann, Henry C. [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. H. Drake & co · leaf 138
s of two incandescent lamps con- 136 Operating and Testing neeted in series between the machines as shown bybroken lines in Figure 89. If the brushes bearing on the same collector ringsare to be connected together, or to the same bus bar, itis evident that when the two machines are in phase,… … Figure 89 is called synchronizing dark, due to the fact thatthe lamps remain dark when the generators are in step.Suppose the currents in the two generators were 180°out of phase. When one of the collecting rings of ma-chine L is positive, the corresponding ring of machineM is negative and the two…
Electrical engineering · Electric testing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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